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src/hotspot/share/gc/shared/collectedHeap.hpp

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@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2020, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.

@@ -25,10 +25,11 @@
 #ifndef SHARE_GC_SHARED_COLLECTEDHEAP_HPP
 #define SHARE_GC_SHARED_COLLECTEDHEAP_HPP
 
 #include "gc/shared/gcCause.hpp"
 #include "gc/shared/gcWhen.hpp"
+#include "gc/shared/objectMarker.hpp"
 #include "gc/shared/verifyOption.hpp"
 #include "memory/allocation.hpp"
 #include "runtime/handles.hpp"
 #include "runtime/perfData.hpp"
 #include "runtime/safepoint.hpp"

@@ -381,10 +382,13 @@
 
   virtual MemoryUsage memory_usage();
   virtual GrowableArray<GCMemoryManager*> memory_managers() = 0;
   virtual GrowableArray<MemoryPool*> memory_pools() = 0;
 
+  // ObjectMarker for JVMTI heap walk
+  virtual ObjectMarker* object_marker();
+
   // Iterate over all objects, calling "cl.do_object" on each.
   virtual void object_iterate(ObjectClosure* cl) = 0;
 
   // Keep alive an object that was loaded with AS_NO_KEEPALIVE.
   virtual void keep_alive(oop obj) {}
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